{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,30]],"date-time":"2026-06-30T04:46:05Z","timestamp":1782794765038,"version":"3.54.5"},"reference-count":47,"publisher":"IWA Publishing","issue":"8","content-domain":{"domain":["iwaponline.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2017,4,28]]},"abstract":"<jats:p>For the 2014 World Cup and the 2016 Olympic Games, Brazil has expanded its airport infrastructure. This will lead to an increase in wastewater generation from aircrafts. This wastewater is traditionally taken from the aircrafts and disposed in the public sewage collection system. However, this residual water may have a different composition than the usual sanitary sewage. Therefore, it is important to study an alternative to treat this kind of wastewater. Thus, the objective of this study was to characterize and analyze the treatment of wastewater from airplane toilets through chemical precipitation for the removal of ammonia in the form of struvite. The airplanes' effluent showed a composition similar to human urine with pH 8.9, ammonia nitrogen 4,215 mg L\u22121, phosphorus 430 mg L\u22121 and a very high acute toxicity (Vibrio fischeri). The best treatment for struvite formation was with pH 9.0 and molar ratio Mg:NH4:PO4 equal to 1.5:1.0:1.0. In this case, the removal of ammonia and phosphorus achieved 97.0% and 95.3%, respectively. After this procedure, the toxicity by Vibrio fischeri decreased.<\/jats:p>","DOI":"10.2166\/wst.2017.081","type":"journal-article","created":{"date-parts":[[2017,2,15]],"date-time":"2017-02-15T01:20:13Z","timestamp":1487121613000},"page":"1952-1960","update-policy":"https:\/\/doi.org\/10.2166\/iwapcrossmarkpolicypage","source":"Crossref","is-referenced-by-count":8,"title":["Nutrient recovery from airplane wastewater: composition, treatment and ecotoxicological assay"],"prefix":"10.2166","volume":"75","author":[{"given":"Jorge Luiz da Paix\u00e3o","family":"Filho","sequence":"first","affiliation":[{"name":"School of Civil Engineering, Architecture and Urban Design \u2013 FEC, UNICAMP (University of Campinas) Avenida Albert Einstein, 951, Cidade Universit\u00e1ria \u2018Zeferino Vaz\u2019, P.O. Box: 6021, 13083-852 Campinas, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adriano Luiz","family":"Tonetti","sequence":"first","affiliation":[{"name":"School of Civil Engineering, Architecture and Urban Design \u2013 FEC, UNICAMP (University of Campinas) Avenida Albert Einstein, 951, Cidade Universit\u00e1ria \u2018Zeferino Vaz\u2019, P.O. Box: 6021, 13083-852 Campinas, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martha Tavanielli","family":"Guimar\u00e3es","sequence":"first","affiliation":[{"name":"School of Civil Engineering, Architecture and Urban Design \u2013 FEC, UNICAMP (University of Campinas) Avenida Albert Einstein, 951, Cidade Universit\u00e1ria \u2018Zeferino Vaz\u2019, P.O. 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